SB2022052317 - Multiple vulnerabilities in BlogEngine.Net

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Cross-site request forgery (CVE-ID: CVE-2022-28921)

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

2) Path traversal (CVE-ID: CVE-2022-25591)

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and delete arbitrary files on the system.

Remediation

Install update from vendor's website.

References

• https://blogengine.io/
• https://www.0xlanks.me/blog/cve-2022-28921-advisory/
• https://github.com/BlogEngine/BlogEngine.NET/pull/247
• https://www.0xlanks.me/blog/cve-2022-25591-advisory/